diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index 75a42a909..d882d6d4a 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -27,7 +27,7 @@ jobs:
           egress-policy: audit
 
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
-      - uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e # v20.0.0
+      - uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63 # v21.0.0
         with:
           config: ".markdownlint-cli2.jsonc"
           globs: "**/*.md"